Global Patent Index - EP 3401879 A1

EP 3401879 A1 20181114 - METHOD FOR MODELLING A THREE-DIMENSIONAL OBJECT FROM TWO-DIMENSIONAL IMAGES OF THE OBJECT TAKEN FROM DIFFERENT ANGLES

Title (en)

METHOD FOR MODELLING A THREE-DIMENSIONAL OBJECT FROM TWO-DIMENSIONAL IMAGES OF THE OBJECT TAKEN FROM DIFFERENT ANGLES

Title (de)

MODELLIERUNGSVERFAHREN EINES 3D-OBJEKTS AUF DER BASIS VON ZWEIDIMENSIONALEN BILDERN DIESES OBJEKTS, DIE AUS VERSCHIEDENEN BLICKWINKELN AUFGENOMMEN WURDEN

Title (fr)

PROCÉDÉ DE MODÉLISATION D'UN OBJET TRIDIMENSIONNEL À PARTIR D'IMAGES BIDIMENSIONNELLES DE CET OBJET PRISES SOUS DIFFÉRENTS ANGLES

Publication

EP 3401879 A1 20181114 (FR)

Application

EP 18178543 A 20130319

Priority

  • FR 1252450 A 20120319
  • EP 13711037 A 20130319
  • EP 2013055736 W 20130319

Abstract (en)

[origin: WO2013139814A2] The invention concerns a model and method for producing dynamic and adaptive photorealistic 3D models for real-time viewing and fitting. The invention concerns a method for digitising a three-dimensional object optionally comprising transparent or reflective portions, from two-dimensional views of said object, the method comprising: -a step of securing the object in motion to a support, pivoting about a vertical axis, disposed opposite at least two cameras spaced vertically apart, -a step of acquiring images of the object by said cameras, during a rotation of the object about the vertical axis, -a step of colorimetric correction of the acquired images.

Abstract (fr)

L'invention concerne un procédé de modélisation d'un objet tridimensionnel à partir d'images bidimensionnelles de cet objet prises sous différents angles selon au moins deux directions, l'objet tridimensionnel étant une paire de lunettes. Un tel procédé comporte des étapes de : - acquisition d'images bidimensionnelles de la paire de lunettes (500), comportant éventuellement des parties transparentes ou réfléchissantes ; - détourage (104, 105) d'au moins une partie des images 2D acquises, afin de calculer un ensemble de silhouettes 2D de l'objet (500) à reconstruire ; - calcul, sur la base des silhouettes 2D obtenues, d'une représentation volumétrique de l'objet (500) ; - calcul, par un algorithme d'extraction de surfaces, d'une représentation surfacique de l'objet (500) ; - lissage et simplification du maillage surfacique 3D de l'objet (500).

IPC 8 full level

G06T 17/20 (2006.01); H04N 13/239 (2018.01)

CPC (source: EP US)

G06T 7/593 (2016.12 - EP US); G06T 15/04 (2013.01 - US); G06T 17/10 (2013.01 - US); G06T 17/20 (2013.01 - EP US); H04N 13/239 (2018.04 - EP US); G06T 2207/10021 (2013.01 - EP US); G06T 2207/10024 (2013.01 - EP US); G06T 2215/16 (2013.01 - US)

Citation (applicant)

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Citation (search report)

  • [X] FR 2955409 A1 20110722 - FITTINGBOX [FR]
  • [A] ARIEL SHAMIR: "A survey on Mesh Segmentation Techniques", COMPUTER GRAPHICS FORUM, vol. 27, no. 6, 4 January 2008 (2008-01-04), pages 1539 - 1556, XP055332257, DOI: 10.1111/j.1467-8659.2007.01103.x
  • [A] ANONYMOUS: "Color calibration - Wikipedia, the free encyclopedia", 24 February 2012 (2012-02-24), XP055090795, Retrieved from the Internet <URL:http://en.wikipedia.org/w/index.php?title=Color_calibration&oldid=478535326> [retrieved on 20131128]

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2013139814 A2 20130926; WO 2013139814 A3 20140403; EP 2828834 A2 20150128; EP 2828834 B1 20191106; EP 3401879 A1 20181114; EP 3401879 B1 20210217; US 2014055570 A1 20140227; US 2016275720 A1 20160922; US 9357204 B2 20160531; US 9747719 B2 20170829

DOCDB simple family (application)

EP 2013055736 W 20130319; EP 13711037 A 20130319; EP 18178543 A 20130319; US 201313976142 A 20130319; US 201615169108 A 20160531